phases: ``{phase}`` template keyword display the phase name

phases: ``{phase}`` template keyword display the phase name

 ``{phaseidx}`` is providing the phase index as integer. This integer
 representation is useful when people need to use the fact that phase are
 ordered.

Test keep using the number version for readability purpose.

--- a/mercurial/templatekw.py	Thu Dec 29 04:40:09 2011 +0100
+++ b/mercurial/templatekw.py	Fri Jan 06 11:20:49 2012 +0100
@@ -276,7 +276,11 @@
     return ctx.hex()
 
 def showphase(repo, ctx, templ, **args):
-    """:rev: Integer. The changeset phase."""
+    """:rev: String. The changeset phase name."""
+    return ctx.phasestr()
+
+def showphaseidx(repo, ctx, templ, **args):
+    """:rev: Integer. The changeset phase index."""
     return ctx.phase()
 
 def showrev(repo, ctx, templ, **args):
@@ -317,6 +321,7 @@
     'manifest': showmanifest,
     'node': shownode,
     'phase': showphase,
+    'phaseidx': showphaseidx,
     'rev': showrev,
     'tags': showtags,
 }

--- a/tests/test-phases-exchange.t	Thu Dec 29 04:40:09 2011 +0100
+++ b/tests/test-phases-exchange.t	Fri Jan 06 11:20:49 2012 +0100
@@ -2,7 +2,7 @@
   > [extensions]
   > graphlog=
   > EOF
-  $ alias hgph='hg log --template "{rev} {phase} {desc} - {node|short}\n"'
+  $ alias hgph='hg log --template "{rev} {phaseidx} {desc} - {node|short}\n"'
 
   $ mkcommit() {
   >    echo "$1" > "$1"

--- a/tests/test-phases.t	Thu Dec 29 04:40:09 2011 +0100
+++ b/tests/test-phases.t	Fri Jan 06 11:20:49 2012 +0100
@@ -1,4 +1,4 @@
-  $ alias hglog='hg log --template "{rev} {phase} {desc}\n"'
+  $ alias hglog='hg log --template "{rev} {phaseidx} {desc}\n"'
   $ mkcommit() {
   >    echo "$1" > "$1"
   >    hg add "$1"